Fire resistance is outstanding, but I felt insufficient strength against external pressure at burning. Also, in the case of a tapered shape, it was easy to take out the pieces solidified in the crucible, and I thought that the crucible could be reused.

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All of the products MonotaRO Singapore offers are subject to Japanese local laws, regulations, and certification standards.
Please make sure that it may or may not meet requirements of your country and/or international organizations,
including but not limited to, UL Certification, China Compulsory Certificate system, and Halal.
MonotaRO Co.,Ltd. Hyogo Public Safety Commission No.631330800020